Napkin holder



FIG. 1 is a right front perspective view of a napkin holder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view thereof; the opposite side being a mirror image; and,

FIG. 6 is a front elevational view thereof. 

The ornamental design for a napkin holder as shown and described. 